public class Main {
    public static int x;
    public static int y;

    public Main(int x,int y) {
        this.x = x;
        this.y = y;
    }
    public int add(){
        return x+y;
    }
    public int sub(){
        return x-y;
    }
    public int mul(){
        return x*y;
    }
    public int div(){
        return x/y;
    }
 
}
